Speed Bag Exercise Equipment with Dual Grip Assemblies
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Solution Overview
Problem
Existing exercise equipment that mimics speed bag punching movements is limited by requiring intense focus, generating noise and vibration, exercising only one arm at a time, and lacking simultaneous upper body and leg exercise capabilities.
Innovation Solution
The design features first and second grip assemblies rotatably supported inside a frame ring, with a center spacer maintaining alignment, allowing users to revolve hand grips in a circular motion, simulating speed bag punching while enabling simultaneous exercise of the upper body and legs through a combination of pedaling and arm movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If traditional speed bag punching is used, then upper body exercise intensity is improved, but noise and vibration increase
Solution Approach 1:
The patent introduces a speed bag as an intermediary element between the user's hands and the punching target. The speed bag absorbs and distributes the impact forces, reducing direct transmission of vibration and noise to the surrounding environment while maintaining effective upper body exercise intensity through the dynamic movement of the bag itself
Solution Approach 2:
The speed bag is designed as a relatively simple, replaceable component that can be easily replaced when worn or damaged. This allows for cost-effective maintenance of the exercise system while continuing to provide the noise-reducing intermediary function without requiring expensive, complex vibration isolation systems
2Power
If traditional speed bag punching is used, then cardiovascular exercise benefits are improved, but consistency and rhythm maintenance become difficult
Solution Approach 1:
The moving speed bag provides visual and tactile feedback to the user about punching timing, speed, and accuracy. The bag's movement responds dynamically to each punch, giving the user immediate feedback that helps maintain proper rhythm and consistency, making it easier to sustain cardiovascular exercise benefits over time
Solution Approach 2:
The speed bag's dynamic movement creates a self-regulating exercise system where the bag's position and velocity naturally guide the user's punching rhythm. As the bag moves faster or slower, it automatically adjusts the pace required, helping users maintain consistent cardiovascular intensity without requiring intense mental focus on timing
3Strength
If traditional speed bag punching is used, then upper body muscle toning is improved, but only one arm can be exercised at a time
Solution Approach 1:
The exercise system is segmented into two independent but coordinated punching zones, allowing each arm to work independently on its own timing and rhythm while both contribute to overall upper body muscle toning. This segmentation enables simultaneous bilateral exercise, doubling the exercise efficiency compared to traditional single-arm speed bag punching
4Speed
If traditional speed bag punching is used, then hand speed and agility development is improved, but hand wraps or gloves are required
Solution Approach 1:
The speed bag creates a softened copy of the punching action, allowing users to develop hand speed and agility through rapid punching movements without the full impact forces of traditional heavy bag punching. This enables speed training with reduced hand protection requirements, though light gloves or wraps may still be used for comfort and minor protection
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution provides a more accessible and efficient way to exercise the upper body and legs, reducing the intensity and noise associated with traditional speed bag punching, while allowing for bilateral movement and improved cardiovascular benefits.
Implementation Method 1
A tubular grip sleeve may be provided around each bearing with the center spacer holding the grip sleeve of each grip assembly into rolling engagement with an inside surface of the frame ring
Implementation Method 2
Each grip assembly includes a bearing around a hand grip
Implementation Method 3
A sun gear centered is within the ring gear. First and second planetary gears are meshed with the ring gear and the sun gear
Implementation Method 4
The first and second planetary gears revolve within the ring gear about the sun gear with the first and second hand grips remaining in an upright position
Data Source
AI summary
Exercise equipment includes an arm unit having left and right hand grips. The lateral centerlines of the hand grips are closely spaced together. In use, with the hands on the hand grips, the user revolves the hand grips in a circular motion simulating a speed bag punching type of movement.


